Flora of Popua New Guinea 
Lae National Herbarium 
10089 Asteraceae/Coropositae 
Blumea riparia (Bl.) DC. 
East Sepik Province, vicinity of Langu village, alluvial forest on flood 
plain of the Sanchi tributary, Sepik River, elev. <40 m, near 4° 11’ S, 
142° 44’ E. 
near 10084; scandent; ramifying, twigs slender, terete, hirtellous; 
leaves alternate, spiral, papery, adaxially dull medium green, 
scabridulous x abaxially light green and shortly puberulous; lamina 
subelliptic, typical blade 7.5 « m x 3.5 cm, apex acuminate, margin 
setaceous with excurrent nerves occurring as distinct apicula along 
the edge, base rounded, asymmetric or not; petioles 3-4 mm, hairy; 
venation pinnate, laterals approx. 5 arcuate pairs, supramedially 
looping, coarsely reticulate, mein veins impressed above, prominent 
below; inflorescence axillary end terminal, paniculate, 10 cm long, 
pedunculate, bracteate, pubescent throughout; capitula c. 9 mm 
length, outer phyllaries concave and hairy, centripetally the 
phyllaries becoming more elongate, disk florets yellow. 
Waskuk name not recorded. 
coll: W. Takeuchi 10089 
date: August 18, 1994 
det. WT 
Flora of Papua New Guinea 
Lae National Herbarium 
10090 Zingiberaceae 
Curcuma cf. australasica Hook. f. 
East Sepik Province, vicinity of Langu village, alluvial forest on 
flood plain of the Sanchi tributary, Sepik River, elev. £40 m, near 4° 
11’ S, 142° 44’ E. 
hillside above the Metroxylon swamp, elev. 50-100 m; terrestrial 
herb, erect; leaves distichous with sheaths open on the opposite 
side, blade linear-elliptic, typically 39 cm x 13.5 cm, approx, papery 
in texture, punctulate, minutely puberulous or glabrate, subplicate, 
adaxial surface medium green x abaxially light green, blade apex 
acuminate, often apiculate at the very tip, base cuneate on a c. 20 
cm alate stipe, the stipe clasping the stem as a fleshy sheath; leaf 
venation pinnate, laterals numerous, straight, highly oblique, costa 
broadly channelled above, prominent below; inflorescence terminal 
and centric, ascending, about 20 cm long (measured from the 
subtending sheath), pedunculate; bracts conspicuous, connate and 
saccate, pale green turning light purple at the top of the spike, 
flowers yellow, included within the bracts. 
Waskuk name-mokwaikwai.’ Use not recorded. 
coll: W. Takeuchi 10090 
date: August 18, 1994 
det. WT 
